From 2009 to 2016, the General Motors LF1 3.0-liter V6 engine was assembled in the US and Mexico and fitted to well-known vehicles like the Cadillac SRX, Chevrolet Equinox, and GMC Terrain. On Opel vehicles, such a power unit is referred to by its own index, A30XH.
L3B, LP9, LF1, LFX, LFY, LGX, LLT, and LY7 are high feature engine families.
Specifications
| Production years | 2009-2016 |
| Displacement, cc | 2994 |
| Fuel system | direct injection |
| Power output, hp | 250 – 275 |
| Torque output, Nm | 285 – 305 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 80.3 |
| Compression ratio | 11.7 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | Dual VVT |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.7 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Cadillac SRX 2011) — city — highway — combined |
13.8 10.2 11.3 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 185 |
The engine was installed on:
- Buick LaCrosse 2 (GMX353) in 2009 – 2010;
- Cadillac CTS II (GMX322) in 2009 – 2011;
- Cadillac SRX II (GMT267) in 2009 – 2016;
- Chevrolet Captiva 1 (C140) in 2011 – 2015;
- Chevrolet Equinox 2 (GMT192) in 2009 – 2012;
- GMC Terrain 1 (GMT177) in 2009 – 2012;
- Saab 9-4X I (GMT168) in 2010 – 2011.
Disadvantages of the GM LF1 engine
The engine’s erratic direct fuel injection system is its primary issue;
The engine will jam if the injection pump malfunctions and gasoline gets into the lubrication system;
It’s critical to keep an eye on the cooling system because the gasket breaks easily when it gets too hot.
It is prone to carbon deposits on the valves, just like all direct injection units; in this case, cleaning and adjusting the throttle is frequently required.